ci: publish library docs on release

Author: agaffney

.github/workflows/publish-docs.yaml

@@ -0,0 +1,17 @@
+# This is copied from upstream and modified slightly
+# https://github.com/andrewslotin/go-proxy-pull-action/blob/master/README.md
+
+on:
+  release:
+    types:
+      - created
+    tags:
+      - 'v[0-9]+.[0-9]+.[0-9]+'
+
+jobs:
+  build:
+    name: Update documentation
+    runs-on: ubuntu-latest
+    steps:
+    - name: Pull new module version
+      uses: andrewslotin/[email protected]